Frozen smoke

[Interesting Facts]

Frozen smoke 3 0
Posted by duddy   June 3, 2014   2649 views
Aerogel or "frozen smoke" is the world's lowest density solid. This hologram-like substance is 99% air. It is almost impossible to feel if you hold it in your hand but when you poke it, it feels like Styrofoam.
Posted in Interesting Facts

	2 Comments | Write Comment
1 I believe an article like this one was posted a while ago, duddy... http://biology-forums.com/index.php?article=113 Posted on Jun 3, 2014 by bio_man 2 True, it's hard to keep track. Thanks for letting me know. I'll do a search next time I post something new. Posted on Jun 6, 2014 by duddy